2790981597 has 4 divisors (see below), whose sum is σ = 3721308800. Its totient is φ = 1860654396.

The previous prime is 2790981587. The next prime is 2790981619. The reversal of 2790981597 is 7951890972.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2790981597 - 2⁷ = 2790981469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790981517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465163597 + ... + 465163602.

It is an arithmetic number, because the mean of its divisors is an integer number (930327200).

Almost surely, 2^2790981597 is an apocalyptic number.

It is an amenable number.

2790981597 is a deficient number, since it is larger than the sum of its proper divisors (930327203).

2790981597 is an equidigital number, since it uses as much as digits as its factorization.

2790981597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930327202.

The product of its (nonzero) digits is 2857680, while the sum is 57.

The square root of 2790981597 is about 52829.7415950523. The cubic root of 2790981597 is about 1407.9448955398.

The spelling of 2790981597 in words is "two billion, seven hundred ninety million, nine hundred eighty-one thousand, five hundred ninety-seven".